xmlns 实例分析

<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:simple="http://cxf.apache.org/simple" xmlns:jaxws="http://cxf.apache.org/jaxws"
    xmlns:soap="http://cxf.apache.org/bindings/soap" xmlns="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd
        http://cxf.apache.org/bindings/soap http://cxf.apache.org/schemas/configuration/soap.xsd
        http://cxf.apache.org/simple http://cxf.apache.org/schemas/simple.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">


    <simple:server id="pojoservice12" serviceClass="com.bull.eris.cmn.ds.DSIF" address="/DSWService">
        <simple:serviceBean>
            <bean class="com.bull.eris.cmn.ds.DSImpl" />
        </simple:serviceBean>
    </simple:server>
</beans>

xmlns="http://www.springframework.org/schema/beans"

这个是默认的命名空间（就是没有前缀，这个文档中 <beans /> 和 <bean /> 标签都用这个命名空间）

在schemaLocatoin 中，格式都是固定的 k空格v回车（k v ）,表明这个命名空间的语法定义文件在什么位置。

除了默认的命名空间外还有其他的命名空间比如simple ，文档中<simple:server /> 就是用这个，语法定义文件的位置也都表明了。

因为有了默认的和各种其他带前缀的命名空间，文档里的元素就不会混淆了

http://cxf.apache.org/docs/schemas-and-namespaces.html